Blue Purple

CSS

:root {
  --blue-purple: #5729ce;
  --blue-purple-rgb: 87 41 206;
  --blue-purple-oklch: oklch(0.459 0.23 285.8);
}

.element {
  color: var(--blue-purple);
  background-color: hsl(257 67% 48%);
  border-color: oklch(0.459 0.23 285.8);
}

Tailwind CSS v4

@theme {
  --color-blue-purple: #5729ce;
  --color-blue-purple-50: #f1ecff;
  --color-blue-purple-100: #e3dcff;
  --color-blue-purple-200: #cfc4ff;
  --color-blue-purple-300: #b3a1ff;
  --color-blue-purple-400: #9781ff;
  --color-blue-purple-500: #825cff;
  --color-blue-purple-600: #6d4fe8;
  --color-blue-purple-700: #5740bb;
  --color-blue-purple-800: #3d2e8d;
  --color-blue-purple-900: #2a2064;
  --color-blue-purple-950: #180d45;
}

SCSS

$blue-purple: #5729ce;
$blue-purple-rgb: 87, 41, 206;
$blue-purple-light: mix(#fff, $blue-purple, 20%);
$blue-purple-dark: mix(#000, $blue-purple, 20%);

.element {
  color: $blue-purple;
  box-shadow: 0 0 0 2px rgba($blue-purple, 0.35);
}